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RECORD NUMBER: 33 OF 108

OLS Field Name OLS Field Data
Main Title Effects of Water Quality Parameters on the Corrosion of Galvanized Steel.
Author Pisigan, R. A. ; Singley, J. E. ;
CORP Author Environmental Science and Engineering, Inc., Gainesville, FL. ;Montgomery (James M.), Inc., Gainesville, FL.;Environmental Protection Agency, Cincinnati, OH. Water Engineering Research Lab.
Year Published 1985
Report Number EPA-R-805400; EPA/600/J-85/250;
Stock Number PB86-139318
Additional Subjects Corrosion ; Galvanized materials ; Steels ; Water quality ; Reprints ;
Holdings
Library Call Number Additional Info Location Last
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Status
NTIS  PB86-139318 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/21/1988
Collation 9p
Abstract
Jar tests and a circulating water system were used to evaluate the effect of water quality parameters, in particular the Langllier index (SI), on the corrosion of galvanized steel. Since waters with a positive SI were sometimes found to be at least as corrosive as waters with a negative SI, especially if the effect of dissolved oxygen was neglected, no definite relationship could be established between corrosion rate and SI. In both Gainesville, FL, tap water and deionized water, corrosion was observed to be fastest in the pH range 5 to 6.5. A general mechanism for the formation of corrosion products is presented. Overall results suggest that the SI should be used only with caution in the practice of corrosion control and that prediction of a water's corrosivity should also consider the influence of other water quality parameters.